National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

68°F

20°C

Humidity 96%
Wind Speed S 6 mph
Barometer 29.72 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 7 May 3:55 am CDT
Extended Forecast for

4 Miles ENE Simpson IL

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South wind around 8 mph.

    Low: 66 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 7am, then showers and possibly a thunderstorm between 7am and 10am, then a chance of showers and thunderstorms after 10am. High near 82. Breezy, with a southwest wind 14 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 80%.

    High: 82 °F

    Breezy.
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 63. Southwest wind 5 to 13 mph becoming south southeast after midnight. Winds could gust as high as 20 mph.

    Low: 63 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 82. South wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

    High: 82 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 62. South wind 10 to 15 mph becoming west southwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 80%.

    Low: 62 °F

    T-storms

  • Thursday

    Thursday: A slight chance of thunderstorms before 7am. Sunny, with a high near 78. West wind 7 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 10%.

    High: 78 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51. North northwest wind 14 to 16 mph, with gusts as high as 24 mph.

    Low: 51 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers after 1pm. Sunny, with a high near 69. North northwest wind around 15 mph, with gusts as high as 22 mph.

    High: 69 °F

    Sunny then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 50. Northwest wind 7 to 10 mph becoming southwest after midnight.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South wind around 8 mph.
Tuesday
A chance of showers and thunderstorms before 7am, then showers and possibly a thunderstorm between 7am and 10am, then a chance of showers and thunderstorms after 10am. High near 82. Breezy, with a southwest wind 14 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 80%.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 63. Southwest wind 5 to 13 mph becoming south southeast after midnight. Winds could gust as high as 20 mph.
Wednesday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 82. South wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Wednesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 62. South wind 10 to 15 mph becoming west southwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 80%.
Thursday
A slight chance of thunderstorms before 7am. Sunny, with a high near 78. West wind 7 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 10%.
Thursday Night
Mostly clear, with a low around 51. North northwest wind 14 to 16 mph, with gusts as high as 24 mph.
Friday
A slight chance of showers after 1pm. Sunny, with a high near 69. North northwest wind around 15 mph, with gusts as high as 22 mph.
Friday Night
Mostly clear, with a low around 50. Northwest wind 7 to 10 mph becoming southwest after midnight.
Saturday
A chance of showers and thunderstorms after 1pm. Sunny, with a high near 72. West wind 10 to 18 mph, with gusts as high as 28 mph.
Saturday Night
Mostly clear, with a low around 50. West wind 8 to 13 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 75. West wind 8 to 13 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 53. South wind around 10 mph.
Monday
Sunny, with a high near 78. Southwest wind 9 to 13 mph, with gusts as high as 20 mph.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Simpson IL
 37.5°N 88.68°W
Last Update:
3:36 am CDT May 7, 2024
Forecast Valid:
4am CDT May 7, 2024-6pm CDT May 13, 2024
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation